Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
POSITUR:
Palms would not have grown in
Arctic given present palm
inclination even if mean
ann temp & min temp allowed
them.
CANNOT shed leaf, indeed
they are herbs whose trunk
is really leaf bases.
:. Absence of palms (thus far)
in record is not per se
evidence that climate
was not virtually frost free.